Nikon D3x vs Nikon D300

This is a full comparison between the cameras Nikon D3x and Nikon D300. We compare them by looking at the categories you see below.

Nikon D3x

Nikon D300

Manufacturing

These cameras are both manufactured by Nikon.

Nikon D3x were released 2008 and Nikon D300 was released 2006. That is a 2 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera	Released
Nikon D3x	2008
Nikon D300	2006

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Nikon D3x has a "Nikon FX"-sensor while Nikon D300 has a "Nikon DX"-sensor, and their difference in sensors will also affect the crop factor and experience focal length. See the table below.

Camera	Focal length, 50mm f/1.8 **
Nikon D3x	50 mm Full-frame sensor No crop factor/focal length multiplier
Nikon D300	75 mm Nikon DX sensor Crop factor/focal length multiplier by * 1.5

** Experienced focal length when using a lens such as a common "50mm f/1.8"

Learn more about crop factor and focal length multiplier here:
Camera selection can affect the focal length (Nikon)

Resolution

Nikon D3x has a 24,5 MP (Megapixels) resolution while Nikon D300 has 12,3 MP. If we break down this in more detail this is the data behind the numbers:

Camera	Megapixels
Nikon D3x	24,5 MP 24385536 pixels 6048 x 4032
Nikon D300	12,3 MP 12212224 pixels 4288 x 2848

Nikon D3x has a 100 % larger resolution than Nikon D300. This could give you more details in the picture but also a possibility to crop more in the pictures, afterward while editing the pictures, if needed that is.

ISO range

Nikon D3x has a larger ISO-range than Nikon D300. Nikon D3x has an ISO range that stretches from 100 to 6400 while Nikon D300 has 200 to 6400.

Camera	ISO Range
Nikon D3x	100-6400
Nikon D300	200-6400

Autofocus and lens compatibility

Both of these cameras have a built-in autofocus motor. Some lenses, that support autofocus, do not have an autofocus motor of their own but this won't cause any problems with these two cameras.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Nikon D3x
Lens compatibility chart for Nikon D300

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Nikon D3x can shoot up to 5 pictures per seconds and Nikon D300 can shoot up to 6 pictures per seconds.

Camera	FPS (Frames per second)
Nikon D3x	5
Nikon D300	6

Ability to record movies

It is becoming more and more popular to record movies with digital cameras.

Though, neither Nikon D3x or Nikon D300 can shoot movies so if that is a functionality that you are really looking for you should look elsewhere.

Weight

The weight of the camera can be an extremely important factor, especially if the camera is about to be used, or carried around, for several hours at a time.

Nikon D3x weighs 1260 gr (equal to 2.78 lb) which is 36% heavier than Nikon D300 and its 925 gr (or 2.04 lb).

Camera	Weight
Nikon D3x	1260 gr 2.78 lb
Nikon D300	925 gr 2.04 lb